Earnings per Share

3 Months Ended

Mar. 31, 2019

13. Earnings per Share

The following table sets forth basic and diluted weighted average shares outstanding for the periods indicated (in thousands):


	Three Months Ended
	March 31,
	2019	2018

Weighted average shares - basic	18,056	18,166
Effect of dilutive securities	137	127
Weighted average shares - assuming dilution	18,193	18,293

For the three months ended March 31, 2019, no shares of common stock potentially issuable upon the exercise of employee stock options were excluded from the weighted average number of shares outstanding on a diluted basis. For the three months ended March 31, 2018, 70,000 shares of common stock potentially issuable upon the exercise of employee stock options were excluded from the weighted average number of shares outstanding on a diluted basis because the effect of such options would be anti-dilutive.